Investigation 7.6.2 Determining the Ksp of Calcium Hydroxide

Table 1: Observations and Calculations for Investigation 7.6.2

Well #	A initial [Ca2+(aq)] (M)	B initial [OH-(aq)] (M)	C final [Ca2+(aq)] (M)	D final [OH-(aq)] (M)	E (C x D2) Ion product (M)
1	0.1	0.1
2	0.05	0.1
3	0.025	0.1
4	0.0125	0.1
5	0.00625	0.1
6	0.003125	0.1
7	0.001562	0.1
8	7.8*10^-4	0.1
9	3.9*10^-4	0.1
10	1.9*10^-4	0.1
11	9.8*10^-5	0.1
12	4.9*10^-5	0.1

Check Discussion.